SB 9917 anti - weather acrylic acid polyurethane coating is two components anticorrosive coating.SB9917丙烯酸聚氨酯耐候漆是双组份、性能优良的防腐涂料.Epoxy - polyurethane IPN anticorrosive paint forms film with excellent anticorrosive property...
哎呀，11点多了，我最好还是回家吧。Whoops, it's past 11, I'd better be off home.“一只会说话的猪!”他大声叫道，“哎呀，真是怪事。”"A talking pig!" he exclaimed. "Well, I'll be darned."“警察！开门！”——“哎呀。”我想，“又来了。”"Police! Open up!" — "Oh well," I thou...
Overburden had concealed the radioactivity.覆盖层屏蔽掉了放射性.Soil survey should be adopted in such soil overburden areas.在此类土壤覆盖区应采用土壤测量.Overburden pressure for three hundred years , isolated the light of day.覆压三百余里, 隔离天日....